1001525255 has 16 divisors (see below), whose sum is σ = 1230921120. Its totient is φ = 781861248.

The previous prime is 1001525251. The next prime is 1001525257. The reversal of 1001525255 is 5525251001.

It is a cyclic number.

It is not a de Polignac number, because 1001525255 - 2² = 1001525251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001525251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440261 + ... + 442529.

It is an arithmetic number, because the mean of its divisors is an integer number (76932570).

Almost surely, 2^1001525255 is an apocalyptic number.

1001525255 is a deficient number, since it is larger than the sum of its proper divisors (229395865).

1001525255 is a wasteful number, since it uses less digits than its factorization.

1001525255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 1001525255 is about 31646.8838118384. The cubic root of 1001525255 is about 1000.5081600629.

Adding to 1001525255 its reverse (5525251001), we get a palindrome (6526776256).

The spelling of 1001525255 in words is "one billion, one million, five hundred twenty-five thousand, two hundred fifty-five".